In this blog post, hear from Maryland educator Laura Dinerman about how she uses our mass extinctions resources to consider how the KT extinction connects with global species declines we’re experiencing today.

This film explores the species-area relationship, a general ecological rule that describes how the number of species in a habitat changes with area, and shows how it has been applied to the conservation of protected areas.

Interested in using our biogeography resources to help your students reason from evidence? In this blog post from California educator Nikki Chambers, see how she uses our suite of ‘Wallace Line’ activities to have her students construct explanations.

How can students show their understanding of evolution through alternative assessments like student blogging? In this blog post, hear from Oklahoma educator Keri Shingleton on how she assesses her students’ understanding of the phenomenon of elephant tusklessness.

If you’re looking for novel ways to assess students’ conceptual understanding of material, hear from Oregon educator Chris Hedeen in this blog post on how he revised his approach to assessments using BioInteractive’s DNA resources.

This activity builds on information presented in the video Selection for Tuskless Elephants. Students use scientific evidence and reasoning to construct an explanation of and develop an argument for tusklessness in elephant populations.